<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <div class="app">
    <div>{{msg}}</div>
    <button @click="reverse">月读</button>
  </div>
  <script src="https://cdn.bootcdn.net/ajax/libs/vue/2.7.14/vue.min.js"></script>
  <script>
    const app = new Vue({
    el:'.app',
    data:{
     msg:'翔哥大撒被'
    },
    methods:{
      reverse(){
      this.msg =  this.msg.split('').reverse().join('')
      }
    }
    })
  </script>
</body>
</html>